In the only undercard bout to go the distance, Rodriguez won by unanimous decision over Theo Johnson in a battle of junior featherweights from San Antonio.

“I liked Rodriguez,” promoter James Leija said. “I like his mental toughness, the will in his heart. I'd never seen him fight before. I liked him.”

McCumby, a light heavyweight from Glendale, Ariz., remained undefeated with a first-round knockout over Percey Givens of Columbus, Ga.

McCumby improved to 5-0, all by knockout. Officials stopped it at 2:35 of the first round. The decision came after McCumby slammed a right hand into Givens' midsection.

Arellano, a junior welterweight from Austin, looked strong, improving to 7-1 with a third-round technical knockout against Julian Rodriguez of Juarez, Mexico.

Ellis, a super middleweight from Miami, Fla., knocked out Delvery Wofford of Dallas in the first round. Hall, a San Antonio-based welterweight, scored a first-round TKO against Laredo's Albert Espinoza.